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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P0454 >> Notes
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DTC P0454: Notes

DTC P0454 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0454 Fuel tank pressure sensor intermittent
DETECTION CONDITION 
  • The fuel tank pressure changes more than 14 inches of water in 0.10 s.
POSSIBLE CAUSE 
  • Intermittent open or short in the fuel tank pressure sensor or the fuel tank pressure sensor signal
  • Fuel tank pressure sensor malfunction
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